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Side-by-side financial comparison of APPLIED OPTOELECTRONICS, INC. (AAOI) and AMBARELLA INC (AMBA). Click either name above to swap in a different company.
APPLIED OPTOELECTRONICS, INC. is the larger business by last-quarter revenue ($134.3M vs $108.5M, roughly 1.2× AMBARELLA INC). On growth, APPLIED OPTOELECTRONICS, INC. posted the faster year-over-year revenue change (33.9% vs 31.2%). AMBARELLA INC produced more free cash flow last quarter ($31.4M vs $-104.6M). Over the past eight quarters, APPLIED OPTOELECTRONICS, INC.'s revenue compounded faster (81.7% CAGR vs 45.0%).
Applied Optoelectronics Inc. is an American semiconductor company that focuses on optical devices. It was founded in 1997 at the University of Houston and is headquartered in Sugar Land, Texas.
Ambarella, Inc. is an American fabless semiconductor design company, focusing on low-power, high-definition (HD) and Ultra HD video compression, image processing, and computer vision processors. Ambarella's products are used in a wide variety of human and computer vision applications, including video security, advanced driver assistance systems (ADAS), electronic mirror, drive recorder, driver and in-cabin monitoring, autonomous driving, and robotics applications. Ambarella's system on chips ...
AAOI vs AMBA — Head-to-Head
Income Statement — Q4 2025 vs Q3 2026
| Metric | | |
|---|---|---|
| Revenue | $134.3M | $108.5M |
| Net Profit | — | $-15.1M |
| Gross Margin | 31.2% | 59.6% |
| Operating Margin | -8.6% | -15.0% |
| Net Margin | — | -13.9% |
| Revenue YoY | 33.9% | 31.2% |
| Net Profit YoY | — | 37.2% |
| EPS (diluted) | $-0.02 | $-0.35 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $134.3M | $108.5M | ||
| Q3 25 | $118.6M | $95.5M | ||
| Q2 25 | $103.0M | $85.9M | ||
| Q1 25 | $99.9M | $84.0M | ||
| Q4 24 | $100.3M | $82.7M | ||
| Q3 24 | $65.2M | $63.7M | ||
| Q2 24 | $43.3M | $54.5M | ||
| Q1 24 | $40.7M | $51.6M |
| Q4 25 | — | $-15.1M | ||
| Q3 25 | $-17.9M | $-20.0M | ||
| Q2 25 | $-9.1M | $-24.3M | ||
| Q1 25 | $-9.2M | $-20.2M | ||
| Q4 24 | — | $-24.1M | ||
| Q3 24 | $-17.8M | $-34.9M | ||
| Q2 24 | $-26.1M | $-37.9M | ||
| Q1 24 | $-23.2M | $-60.6M |
| Q4 25 | 31.2% | 59.6% | ||
| Q3 25 | 28.0% | 58.9% | ||
| Q2 25 | 30.3% | 60.0% | ||
| Q1 25 | 30.6% | 60.0% | ||
| Q4 24 | 28.7% | 60.6% | ||
| Q3 24 | 24.4% | 60.8% | ||
| Q2 24 | 22.1% | 60.9% | ||
| Q1 24 | 18.7% | 59.8% |
| Q4 25 | -8.6% | -15.0% | ||
| Q3 25 | -15.3% | -23.0% | ||
| Q2 25 | -15.5% | -30.1% | ||
| Q1 25 | -8.9% | -30.2% | ||
| Q4 24 | -6.5% | -30.9% | ||
| Q3 24 | -25.4% | -56.9% | ||
| Q2 24 | -60.7% | -72.4% | ||
| Q1 24 | -53.2% | -80.8% |
| Q4 25 | — | -13.9% | ||
| Q3 25 | -15.1% | -20.9% | ||
| Q2 25 | -8.8% | -28.3% | ||
| Q1 25 | -9.2% | -24.1% | ||
| Q4 24 | — | -29.1% | ||
| Q3 24 | -27.3% | -54.8% | ||
| Q2 24 | -60.4% | -69.6% | ||
| Q1 24 | -57.0% | -117.4% |
| Q4 25 | $-0.02 | $-0.35 | ||
| Q3 25 | $-0.28 | $-0.47 | ||
| Q2 25 | $-0.16 | $-0.58 | ||
| Q1 25 | $-0.18 | $-0.48 | ||
| Q4 24 | $-2.82 | $-0.58 | ||
| Q3 24 | $-0.42 | $-0.85 | ||
| Q2 24 | $-0.66 | $-0.93 | ||
| Q1 24 | $-0.60 | $-1.51 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $206.1M | $174.1M |
| Total DebtLower is stronger | $34.0M | — |
| Stockholders' EquityBook value | $733.9M | $590.1M |
| Total Assets | $1.2B | $751.9M |
| Debt / EquityLower = less leverage | 0.05× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $206.1M | $174.1M | ||
| Q3 25 | $137.0M | $142.7M | ||
| Q2 25 | $64.7M | $141.3M | ||
| Q1 25 | $51.1M | $144.6M | ||
| Q4 24 | $67.4M | $127.1M | ||
| Q3 24 | $34.1M | $153.9M | ||
| Q2 24 | $10.7M | $131.8M | ||
| Q1 24 | $8.4M | $144.9M |
| Q4 25 | $34.0M | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | $22.1M | — | ||
| Q4 24 | $26.7M | — | ||
| Q3 24 | $29.5M | — | ||
| Q2 24 | $22.5M | — | ||
| Q1 24 | $24.1M | — |
| Q4 25 | $733.9M | $590.1M | ||
| Q3 25 | $559.1M | $576.5M | ||
| Q2 25 | $425.0M | $572.7M | ||
| Q1 25 | $309.0M | $561.4M | ||
| Q4 24 | $229.1M | $554.3M | ||
| Q3 24 | $212.1M | $547.6M | ||
| Q2 24 | $186.5M | $555.4M | ||
| Q1 24 | $195.7M | $559.9M |
| Q4 25 | $1.2B | $751.9M | ||
| Q3 25 | $978.5M | $706.4M | ||
| Q2 25 | $796.9M | $701.9M | ||
| Q1 25 | $644.7M | $689.0M | ||
| Q4 24 | $547.0M | $670.8M | ||
| Q3 24 | $410.0M | $650.3M | ||
| Q2 24 | $348.0M | $638.7M | ||
| Q1 24 | $350.9M | $657.7M |
| Q4 25 | 0.05× | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | 0.07× | — | ||
| Q4 24 | 0.12× | — | ||
| Q3 24 | 0.14× | — | ||
| Q2 24 | 0.12× | — | ||
| Q1 24 | 0.12× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-29.6M | $34.3M |
| Free Cash FlowOCF − Capex | $-104.6M | $31.4M |
| FCF MarginFCF / Revenue | -77.9% | 29.0% |
| Capex IntensityCapex / Revenue | 55.9% | 2.7% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-353.6M | $64.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-29.6M | $34.3M | ||
| Q3 25 | $-28.5M | $5.5M | ||
| Q2 25 | $-65.5M | $14.8M | ||
| Q1 25 | $-50.9M | $25.4M | ||
| Q4 24 | $-24.6M | $6.6M | ||
| Q3 24 | $-14.4M | $16.7M | ||
| Q2 24 | $-2.0M | $-15.0M | ||
| Q1 24 | $-28.5M | $-4.0M |
| Q4 25 | $-104.6M | $31.4M | ||
| Q3 25 | $-78.7M | $1.4M | ||
| Q2 25 | $-91.0M | $10.2M | ||
| Q1 25 | $-79.3M | $21.2M | ||
| Q4 24 | $-53.0M | $4.1M | ||
| Q3 24 | $-20.7M | $14.2M | ||
| Q2 24 | $-5.0M | $-16.1M | ||
| Q1 24 | $-34.2M | $-6.0M |
| Q4 25 | -77.9% | 29.0% | ||
| Q3 25 | -66.3% | 1.4% | ||
| Q2 25 | -88.3% | 11.9% | ||
| Q1 25 | -79.4% | 25.3% | ||
| Q4 24 | -52.9% | 5.0% | ||
| Q3 24 | -31.8% | 22.2% | ||
| Q2 24 | -11.5% | -29.5% | ||
| Q1 24 | -84.2% | -11.6% |
| Q4 25 | 55.9% | 2.7% | ||
| Q3 25 | 42.4% | 4.3% | ||
| Q2 25 | 24.7% | 5.3% | ||
| Q1 25 | 28.4% | 5.0% | ||
| Q4 24 | 28.3% | 3.0% | ||
| Q3 24 | 9.7% | 4.0% | ||
| Q2 24 | 6.9% | 2.1% | ||
| Q1 24 | 14.2% | 3.7% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AAOI
| Data Center | $74.9M | 56% |
| CATV | $54.0M | 40% |
| Telecom | $5.1M | 4% |
AMBA
| TW | $76.0M | 70% |
| Asia Pacific Other Than Taiwan | $20.2M | 19% |
| North America Other Than United States | $7.4M | 7% |
| Other | $5.0M | 5% |
